spac·​er | \ ˈspā-sər How to pronounce spacer (audio) \
plural spacers

Definition of spacer

: a device or piece used to create or maintain a desired amount of space (as between two parts) As long as your joints look even, it's more important that you avoid a large grout line at the last tile than worry about sticking to the exact measurement of the spacer.— Jennifer Stimpson Stiff spacers of low-expansion materials … may be used to provide a fixed spacing between the end mirrors.— Arthur L. Schawlow Use wood shims or spacers where necessary to compensate for wavy ceilings and to make certain the bottom surfaces of all strips are flush.— Bernard Gladstone

Examples of spacer in a Sentence

Recent Examples on the Web

Comparison: Arron Afflalo Okogie has the body and talent to be a stopper and floor spacer but has work to do in order to become that. Jeremy Woo,, "2018 NBA Draft: Josh Okogie Scouting Report and Highlights," 18 June 2018 Use plastic spacers to maintain uniform grout joints. Joseph Truini, Popular Mechanics, "Your Quick and Dirty Guide to Tiling a Kitchen Backsplash," 26 Apr. 2019 There are plenty of other tricks and tools—compression socks, foot inserts, toe spacers, warm epsom salt soaks, wearing sneakers that are one size too big to accommodate the extra swelling...the list of options goes on. SELF, "7 Ways to Treat Your Feet During Marathon Training," 13 Sep. 2018 Improving defensively will help, but simply being a high-quality floor spacer given his physical attributes and ball-moving skills is a good place to start. Jeremy Woo,, "2018 NBA Draft Big Board 7.0: Top 100 Prospects," 24 Apr. 2018 One of the breakout players in the NCAA tournament, Wagner is a floor spacer and plays with high energy. 29. Keith Pompey,, "NBA mock draft 2018: Will Knicks pick Sixers target Mikal Bridges? | Keith Pompey," 20 June 2018 Between the layers of impact-resistant hull fabric and impact-absorbing foam spacers, there's a layer of air that holds temperature within a very small window, which is our standard temperature on the station. Matthew Jancer, Popular Mechanics, "NASA Really Needs Inflatable Space Rooms To Work," 15 Apr. 2016 Horvath’s team found that bacteria exposed to viruses could indeed acquire these viral snippets, called spacers. Tom Avril,, "From yogurt bacteria to fighting cancer: Franklin Institute honors gene-editing pioneer," 12 Apr. 2018 Make the center divider and handle out of 3/4-inch plywood and the spacer strip out of 1/4-inch plywood. Roy Berendson, Popular Mechanics, "6 Simple Projects You Can Make From Scrap Wood," 21 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spacer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of spacer

1857, in the meaning defined above

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Last Updated

18 Jun 2019

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Time Traveler for spacer

The first known use of spacer was in 1857

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More Definitions for spacer


spac·​er | \ ˈspā-sər How to pronounce spacer (audio) \

Medical Definition of spacer

: a region of chromosomal DNA between genes that is not transcribed into messenger RNA and is of uncertain function

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